1
depth(limit, edge)
1
determinant
1
determinative
1
determining
1
diameter
1
discipline
1
distinction(division, separation, borderline, margin)
1
district(state, track, province, trail, route)
1
dividend(noun, break, split, disagreement, class)
1
dividing line(noun, expression, idiom, break, split)
1
division line
1
divvy(noun, break, split, disagreement, class)
1
domain(noun, state, area, influence, scope)
1
dovetail
1
edging
1
elbow
1
embrace
1
endmost
1
equator
1
eventual
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APASmart Define. (2015). boundary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/boundary/thesaurus/synonyms
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/boundary/thesaurus/synonyms>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/boundary/thesaurus/synonyms>